Re: Some thoughts about i/o priorities and throttling vacuum

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От Andrew Sullivan
Тема Re: Some thoughts about i/o priorities and throttling vacuum
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Msg-id 20031017151904.GF1089@libertyrms.info
обсуждение исходный текст
Ответ на Re: Some thoughts about i/o priorities and throttling vacuum  (Shridhar Daithankar <shridhar_daithankar@persistent.co.in>)
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On Fri, Oct 17, 2003 at 07:25:13PM +0530, Shridhar Daithankar wrote:
> What part of plain vacuum takes disk bandwidth? WAL? Clog? Certainly not 
> data files themselves, right?

Sure, the data files.  The data files still have to be completely
read from beginning to end by VACUUM.

A

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